com.envision.envservice.filter.AccessLogFilter.java Source code

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Here is the source code for com.envision.envservice.filter.AccessLogFilter.java

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/******************************************************************************
 * @File name   :      AccessLogFilter.java
 *
 * @Package    :      com.envision.envservice.filter
 *
 * @Author      :      guowei.wang
 *
 * @Date        :      2015-10-27 ?1:51:42
 *
 * @Description :       
 *
 * @Copyright Notice: 
 * Copyright (c) 2015 Envision, Inc. All  Rights Reserved.
 * This software is published under the terms of the Envision Software
 * License version 1.0, a copy of which has been included with this
 * distribution in the LICENSE.txt file.
 * 
 * 
 * ----------------------------------------------------------------------------
 * Date                         Who         Version        Comments
 * 2015-10-27 ?1:51:42             guowei.wang     1.0            Initial Version
 *****************************************************************************/
package com.envision.envservice.filter;

import java.io.IOException;
import java.net.URLDecoder;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;

import com.envision.envservice.common.Constants;
import com.envision.envservice.common.util.IPUtil;
import com.envision.envservice.entity.bo.UserBo;
import com.envision.envservice.logging.EnvLog;

/**
 * 
 * 
 * @ClassName AccessLogFilter
 * @author guowei.wang
 * @date 2015-10-27
 */
public class AccessLogFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;

        logAccessAPI(request);

        chain.doFilter(request, response);
    }

    /*
     * ?
     */
    private void logAccessAPI(HttpServletRequest request) {
        try {
            UserBo user = (UserBo) request.getSession().getAttribute(Constants.SESSION_USER);
            String userId = user != null ? user.getUser_id() : "NOT_LOGIN";
            String remoteAddr = IPUtil.getRemoteAddr(request);
            String method = request.getMethod();
            String requestURI = request.getRequestURI();
            String userAgent = StringUtils.defaultString(request.getHeader("User-Agent"));

            String queryString = request.getQueryString();
            if (queryString != null) {
                queryString = URLDecoder.decode(request.getQueryString(), Constants.CHARSET);
            }
            requestURI = requestURI
                    + (StringUtils.isNotEmpty(queryString) ? ("?" + queryString) : StringUtils.EMPTY);

            EnvLog.getAccessAPILogger().info(
                    String.format("[%s] [%s] [%s] %s [%s]", userId, remoteAddr, method, requestURI, userAgent));
        } catch (Exception e) {
            EnvLog.getAccessAPILogger().warn("AccessAPI logger error: " + e.getMessage(), e);
        }
    }
}